table{
    border: 1px solid red;
    /* 间隔取消 */
    border-collapse: collapse;
    /* border-collapse: separate; */
    /* border-spacing: 10px; */
    /* 自适应 */
    width: 100%;
    /* 固定模式：默认单元格等分表格 */
    table-layout: fixe;
    /* 表格标题位置 */
    /* caption-side: bottom; */
    caption-side: top;
}

thead th:nth-of-type(1){
    width: 10%;
    
}
thead th:nth-of-type(2){
    width: 30%;
}
thead th:nth-of-type(3){
    width: 40%;
}
thead th:nth-of-type(4){
    width: 10%;
}

td {
    border: 1px solid pink;
}
